Rockwell Automation 1441-PEN25-Z Enpac 2500 Data Collector - Manual (Page 278)

278 Rockwell Automation Publication GMSI10-UM002D-EN-E - August 2012
Chapter 10 Run Up/Coast Down Application
Displaying the Spectrogram Plot
When you are done setting up the plot parameters, you can process the spectral
data by pressing F4 (Display) on the RUCD - Spectrogram Setup screen.
Optimizing the Spectrogram Plot
Additional parameters display on the screen allowing you to control how the
spectra appear in the spectrogram plot.
1. Highlight the option and press the RIGHT ARROW key to open a menu
of choices.
2. Select the choice by pressing the arrow keys or type in a value using the
numeric keypad.
3. Press the LEFT ARROW key to save your selection.
Use the descriptions in Table 52 to help you configure the parameters in
the Run Up/Coast Down Spectrogram Display Setup screen.
4. When you are finished and ready to display data, press F4 (Display) to
view the Spectrogram.
Freq. Range (EU) The maximum frequency for the measurement. 10…2000 Hz
600…120000 CPM
.001…166 Orders
The frequency range is determined by the X-axis
parameter.
LF Cutoff (EU) Sets a low frequency cutoff filter to remove noise from the analysis. Options:
Off
21.6 CPM
66 CPM
120 CPM
600 CPM
4200 CPM
.36 Hz
1.1 Hz
2 Hz
10 Hz
70 Hz
The available options are determined by your X-
axis selection.
Table 51 - Spectrogram Plot Parameters
Parameter Name Description Values/Comments
TIP The larger the .wav file, the longer it takes to process the
data and display the plot.